Electron microscopy of 26 S complex containing 20 S proteasome.

  title={Electron microscopy of 26 S complex containing 20 S proteasome.},
  author={Atsushi Ikai and Masaaki Nishigai and Kan Tanaka and Akira Ichihara},
  journal={FEBS letters},
  volume={292 1-2},
A high molecular weight protease complex (26 S complex) involved in the intracellular protein degradation of ubiquitinated proteins was purified from rat liver and studied by electron microscopy. The most prevalent molecular species with best preserved symmetrical morphology had two large rectangular terminal structures attached to a thinner central one having four protein layers. We concluded that they were the closest representation of the 26 S complex so far reported. The central structure… CONTINUE READING

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